/**
  * Display a Filtered Listing of the resource.
  */
 public function filter()
 {
     $purchaseOrderDetail = Request::all();
     // using an implementation of the PurchaseOrderDetail Repository Interface
     $purchaseOrderDetails = $this->purchaseOrderDetailRepository->paginate($purchaseOrderDetail);
     // populate a View
     return View::make('pages.purchaseOrderDetail.index', compact('purchaseOrderDetail', 'purchaseOrderDetails'));
 }